Question

How many ova are laid by a mature female frog at a time___?
A. 3500-4500
B. 2500-3000
C. 1450-1500
D. 500-1000

Answer 1

Hint: The male frog places itself on her back during female egg maturation, enfolding his forelimbs around her center in amplexus, or pseudocopulation, which can sustain some days. In pressure from the amplexus, the female discharges mature eggs through the cloaca situated near the hind legs. The male frog instantly liberates seminal fluid from the male cloaca, emptying it over the eggs as they are discharged from the female. The eggs are directly fertilized before dropping into the water.

Complete answer:
Female frogs put down up to 4,000 eggs at a time, which are straight away fertilized by the male. Frogs become sexually grown-up around four years of age. They appear from hibernation from February to March to look for breeding grounds. Females place their eggs in shallow water. It obtains about 40 days for tadpoles to appear from the eggs.

Within 10 days of fertilization, the embryo expands into a tadpole and appears from the egg with strong wiggly movements. Young tadpoles nourish on microscopic plants underneath the surface of the water. After two months the tadpole expands the lungs and prods his head above the water surface, using newly developed lungs to swallow air. The tadpole's hind legs and tail are completely developed at this stage.

Hence, the correct answer is option (A).

Note: The conversion stages can be changed, lasting longer than anticipated if water temperatures are cool. Warm water is the finest environment for frog development. The development of the front legs emerges around three months, along with the tail being gradually absorbed into the body. Skin is shed and a broad mouth develops. The frog appears from the water source where it began his life, now completely developed into a frog.